| /* |
| * blktrace output analysis: generate a timeline & gather statistics |
| * |
| * Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle@hp.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <getopt.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include "globals.h" |
| |
| #define SETBUFFER_SIZE (64 * 1024) |
| |
| #define S_OPTS "aAB:d:D:e:hi:I:l:L:m:M:o:p:P:q:Q:rs:S:t:T:u:VvXz:" |
| static struct option l_opts[] = { |
| { |
| .name = "seek-absolute", |
| .has_arg = no_argument, |
| .flag = NULL, |
| .val = 'a' |
| }, |
| { |
| .name = "all-data", |
| .has_arg = no_argument, |
| .flag = NULL, |
| .val = 'A' |
| }, |
| { |
| .name = "dump-blocknos", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'B' |
| }, |
| { |
| .name = "range-delta", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'd' |
| }, |
| { |
| .name = "devices", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'D' |
| }, |
| { |
| .name = "exes", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'e' |
| }, |
| { |
| .name = "help", |
| .has_arg = no_argument, |
| .flag = NULL, |
| .val = 'h' |
| }, |
| { |
| .name = "input-file", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'i' |
| }, |
| { |
| .name = "iostat", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'I' |
| }, |
| { |
| .name = "d2c-latencies", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'l' |
| }, |
| { |
| .name = "periodic-latencies", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'L' |
| }, |
| { |
| .name = "seeks-per-second", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'm' |
| }, |
| { |
| .name = "dev-maps", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'M' |
| }, |
| { |
| .name = "output-file", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'o' |
| }, |
| { |
| .name = "per-io-dump", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'p' |
| }, |
| { |
| .name = "per-io-trees", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'P' |
| }, |
| { |
| .name = "q2c-latencies", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'q' |
| }, |
| { |
| .name = "active-queue-depth", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'Q' |
| }, |
| { |
| .name = "no-remaps", |
| .has_arg = no_argument, |
| .flag = NULL, |
| .val = 'r' |
| }, |
| { |
| .name = "seeks", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 's' |
| }, |
| { |
| .name = "iostat-interval", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'S' |
| }, |
| { |
| .name = "time-start", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 't' |
| }, |
| { |
| .name = "time-end", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'T' |
| }, |
| { |
| .name = "unplug-hist", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'u' |
| }, |
| { |
| .name = "version", |
| .has_arg = no_argument, |
| .flag = NULL, |
| .val = 'V' |
| }, |
| { |
| .name = "verbose", |
| .has_arg = no_argument, |
| .flag = NULL, |
| .val = 'v' |
| }, |
| { |
| .name = "easy-parse-avgs", |
| .has_arg = no_argument, |
| .flag = NULL, |
| .val = 'X' |
| }, |
| { |
| .name = "q2d-latencies", |
| .has_arg = required_argument, |
| .flag = NULL, |
| .val = 'z' |
| }, |
| { |
| .name = NULL, |
| } |
| }; |
| |
| static char usage_str[] = \ |
| "\n[ -a | --seek-absolute ]\n" \ |
| "[ -A | --all-data ]\n" \ |
| "[ -B <output name> | --dump-blocknos=<output name> ]\n" \ |
| "[ -d <seconds> | --range-delta=<seconds> ]\n" \ |
| "[ -D <dev;...> | --devices=<dev;...> ]\n" \ |
| "[ -e <exe,...> | --exes=<exe,...> ]\n" \ |
| "[ -h | --help ]\n" \ |
| "[ -i <input name> | --input-file=<input name> ]\n" \ |
| "[ -I <output name> | --iostat=<output name> ]\n" \ |
| "[ -l <output name> | --d2c-latencies=<output name> ]\n" \ |
| "[ -L <freq> | --periodic-latencies=<freq> ]\n" \ |
| "[ -m <output name> | --seeks-per-second=<output name> ]\n" \ |
| "[ -M <dev map> | --dev-maps=<dev map>\n" \ |
| "[ -o <output name> | --output-file=<output name> ]\n" \ |
| "[ -p <output name> | --per-io-dump=<output name> ]\n" \ |
| "[ -P <output name> | --per-io-trees=<output name> ]\n" \ |
| "[ -q <output name> | --q2c-latencies=<output name> ]\n" \ |
| "[ -Q <output name> | --active-queue-depth=<output name> ]\n" \ |
| "[ -r | --no-remaps ]\n" \ |
| "[ -s <output name> | --seeks=<output name> ]\n" \ |
| "[ -S <interval> | --iostat-interval=<interval> ]\n" \ |
| "[ -t <sec> | --time-start=<sec> ]\n" \ |
| "[ -T <sec> | --time-end=<sec> ]\n" \ |
| "[ -u <output name> | --unplug-hist=<output name> ]\n" \ |
| "[ -V | --version ]\n" \ |
| "[ -v | --verbose ]\n" \ |
| "[ -X | --easy-parse-avgs ]\n" \ |
| "[ -z <output name> | --q2d-latencies=<output name> ]\n" \ |
| "\n"; |
| |
| static void usage(char *prog) |
| { |
| fprintf(stderr, "Usage: %s %s %s", prog, bt_timeline_version, |
| usage_str); |
| } |
| |
| static FILE *setup_ofile(char *fname) |
| { |
| if (fname) { |
| char *buf; |
| FILE *ofp = my_fopen(fname, "w"); |
| |
| if (!ofp) { |
| perror(fname); |
| exit(1); |
| } |
| |
| buf = malloc(SETBUFFER_SIZE); |
| setbuffer(ofp, buf, SETBUFFER_SIZE); |
| |
| add_file(ofp, fname); |
| add_buf(buf); |
| |
| return ofp; |
| } |
| |
| return NULL; |
| } |
| |
| static FILE *std_open(char *output_name, char *sfx, char *msg) |
| { |
| FILE *fp; |
| char fname[strlen(output_name) + 32]; |
| |
| sprintf(fname, "%s.%s", output_name, sfx); |
| fp = my_fopen(fname, "w"); |
| if (fp == NULL) { |
| perror(fname); |
| exit(1); |
| } |
| if (verbose) |
| printf("Sending %s to %s\n", msg, fname); |
| |
| return fp; |
| } |
| |
| void handle_args(int argc, char *argv[]) |
| { |
| int c; |
| |
| while ((c = getopt_long(argc, argv, S_OPTS, l_opts, NULL)) != -1) { |
| switch (c) { |
| case 'a': |
| seek_absolute = 1; |
| break; |
| case 'A': |
| output_all_data = 1; |
| break; |
| case 'B': |
| bno_dump_name = optarg; |
| break; |
| case 'd': |
| sscanf(optarg, "%lf", &range_delta); |
| break; |
| case 'D': |
| devices = optarg; |
| break; |
| case 'e': |
| exes = optarg; |
| break; |
| case 'h': |
| usage(argv[0]); |
| exit(0); |
| case 'i': |
| input_name = optarg; |
| break; |
| case 'l': |
| d2c_name = optarg; |
| break; |
| case 'L': |
| plat_freq = atof(optarg); |
| break; |
| case 'I': |
| iostat_name = strdup(optarg); |
| break; |
| case 'm': |
| sps_name = optarg; |
| break; |
| case 'M': |
| if (dev_map_read(optarg)) |
| exit(1); |
| break; |
| case 'o': |
| output_name = optarg; |
| break; |
| case 'p': |
| per_io_name = strdup(optarg); |
| break; |
| case 'P': |
| per_io_trees = optarg; |
| break; |
| case 'q': |
| q2c_name = optarg; |
| break; |
| case 'Q': |
| aqd_name = optarg; |
| break; |
| case 'r': |
| ignore_remaps = 1; |
| break; |
| case 's': |
| seek_name = optarg; |
| break; |
| case 'S': { |
| unsigned int interval; |
| |
| sscanf(optarg, "%u", &interval); |
| iostat_interval = (__u64)interval * 1000000000LL; |
| break; |
| } |
| case 't': |
| sscanf(optarg, "%lf", &t_astart); |
| time_bounded = 1; |
| break; |
| case 'T': |
| sscanf(optarg, "%lf", &t_aend); |
| time_bounded = 1; |
| break; |
| case 'u': |
| unplug_hist_name = optarg; |
| break; |
| case 'v': |
| verbose = 1; |
| break; |
| case 'V': |
| printf("%s version %s\n", argv[0], bt_timeline_version); |
| exit(0); |
| case 'X': |
| easy_parse_avgs++; |
| break; |
| case 'z': |
| q2d_name = optarg; |
| break; |
| default: |
| usage(argv[0]); |
| exit(1); |
| } |
| } |
| |
| if (input_name == NULL) { |
| usage(argv[0]); |
| exit(1); |
| } |
| |
| if (sps_name && !seek_name) { |
| fprintf(stderr, "FATAL: -m option requires -s options\n"); |
| exit(1); |
| } |
| |
| setup_ifile(input_name); |
| |
| if (output_name == NULL) { |
| rngs_ofp = avgs_ofp = msgs_ofp = stdout; |
| easy_parse_avgs = 0; |
| } else { |
| rngs_ofp = std_open(output_name, "dat", "range data"); |
| avgs_ofp = std_open(output_name, "avg", "stats data"); |
| msgs_ofp = std_open(output_name, "msg", "K messages"); |
| if (easy_parse_avgs) { |
| xavgs_ofp = std_open(output_name, "xvg", |
| "EZ stats data"); |
| } |
| } |
| |
| iostat_ofp = setup_ofile(iostat_name); |
| per_io_ofp = setup_ofile(per_io_name); |
| } |
